// 封装分类数据相关的业务代码
import { ref,onMounted } from 'vue'
import { onBeforeRouteUpdate,useRoute } from 'vue-router'
import { getCategoryAPI } from '@/apis/category'
export function useCategory() {
    const categoryData = ref({})
const route = useRoute()
const getCategory = async (id = route.params.id) => {
  const res = await getCategoryAPI(id)
  categoryData.value = res.result
}
onMounted(() => getCategory())
// 目标：路由参数发生变化的时候，可以把分类数据接口重新发送
onBeforeRouteUpdate((to) => {
  getCategory(to.params.id)
})

return {
    categoryData
}
}
